How big is the DMD back-end?

[Walter Bright]

Don Clugston wrote:
> Walter - Could you give us an idea of the relative size of the source 
> code of DMD's back-end, compared to the front end? How much of it is 
> optimisation, and how much is code generation?

The back end is 2.1Mb of source, maybe 15% of that is the optimizer. The 
front end is 1.8Mb. There's about 100Kb in other stuff.

BTW, the email address I have for you doesn't work. Can you send me your 
current one? Thanks!